Add optimized social preview image (268KB JPEG) and update meta URLs to sin4ch.github.io

Author: sin4ch

index.html

@@ -18,11 +18,11 @@
    <meta property="og:type" content="website">
    <meta property="og:title" content="Osinachi Okpara — Developer Advocate & Community Architect">
    <meta property="og:description" content="Building technical communities, creating developer education, and driving product adoption for cloud-native and AI technologies.">
-   <meta property="og:image" content="https://osinachi.dev/social-preview.png">
+   <meta property="og:image" content="https://sin4ch.github.io/social-preview.jpg">
    <meta property="og:image:width" content="1200">
    <meta property="og:image:height" content="630">
    <meta property="og:image:alt" content="Osinachi Okpara - Developer Advocate and Community Architect">
-   <meta property="og:url" content="https://osinachi.dev">
+   <meta property="og:url" content="https://sin4ch.github.io">
    <meta property="og:site_name" content="Osinachi Okpara">
 
    <!-- Twitter -->
@@ -31,11 +31,11 @@
    <meta name="twitter:creator" content="@sin4ch">
    <meta name="twitter:title" content="Osinachi Okpara — Developer Advocate & Community Architect">
    <meta name="twitter:description" content="Building technical communities, creating developer education, and driving product adoption for cloud-native and AI technologies.">
-   <meta name="twitter:image" content="https://osinachi.dev/social-preview.png">
+   <meta name="twitter:image" content="https://sin4ch.github.io/social-preview.jpg">
    <meta name="twitter:image:alt" content="Osinachi Okpara - Developer Advocate and Community Architect">
 
    <!-- Canonical URL -->
-   <link rel="canonical" href="https://osinachi.dev">
+   <link rel="canonical" href="https://sin4ch.github.io">
 
    <!-- Favicon -->
    <title>Osinachi Okpara — Developer Advocate & Community Architect</title>